CVE-2026-13326 Out-of-bounds read and integer underflow vulnerability in QNdefNfcTextRecord impacts Qt NFC module
A physically proximate attacker can cause denial of service or limited memory disclosure in the Qt NFC module via a crafted NFC tag.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-13326?
CVE-2026-13326 is a medium-severity vulnerability in qt, published on 11 Sep 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
An out-of-bounds read in Qt NFC's language code length parsing allows a physically proximate attacker to cause a denial of service or limited memory disclosure via a crafted NFC tag.
Which versions are affected by CVE-2026-13326?
How do I fix CVE-2026-13326?
Apply the vendor's patch.
Is CVE-2026-13326 being exploited?
There is no known exploitation of CVE-2026-13326 in the wild and no public exploit code.
Sources
Also known as AZL-101111, DEBIAN-CVE-2026-13326, GHSA-83vf-f8f4-pj48, OESA-2026-3918, OESA-2026-3919, OESA-2026-4005.